Specifications

ASIX ELECTRONICS CORPORATION
32
AX88772
USB to 10/100 Fast Ethernet/HomePNA Controller
7.1.6 Auto Negotiation Link Partner Ability Register (ANLPAR)
Address 05h
Bit Bit Name Default Description
15 NP 0, RO Next page indication:
1 = Link partner next page enabled
0 = Link partner not next page enabled
14 ACK 0, RO Acknowledgement:
1 = Link partner ability for reception of data word acknowledged
0 = Not acknowledged
13 RF 0, RO Remote fault:
1 = Remote fault indicated by link partner
0 = No remote fault indicated by link partner
12:11 Reserved X, RO Reserved:
Write as 0, read as “don’t care”.
10 Pause 0, RO Pause:
1 = Pause operation supported by link partner
0 = Pause operation not supported by link partner
9 T4 0, RO 100BASE-T4 support:
1 = 100BASE-T4 supported by link partner
0 = 100BASE-T4 not supported by link partner
8 TX_FD 0, RO 100BASE-TX full-duplex support:
1 = 100BASE-TX full-duplex supported by link partner
0 = 100BASE-TX full-duplex not supported by link partner
7 TX_HD 0, RO 100BASE-TX half-duplex support:
1 = 100BASE-TX half-duplex supported by link partner
0 = 100BASE-TX half-duplex not supported by link partner
6 10_FD 0, RO 10BASE-T full-duplex support:
1 = 10BASE-T full-duplex supported by link partner
0 = 10BASE-T full-duplex not supported by link partner
5 10_HD 0, RO 10BASE-T half-duplex support:
1 = 10BASE-T half-duplex supported by link partner
0 = 10BASE-T half-duplex not supported by link partner
4:0 Selector 0_0000, RO Protocol selection bits:
Link partner’s binary encoded protocol selector.
7.1.7 Auto Negotiation Expansion Register (ANER)
Address 06h
Bit Bit Name Default Description
15:5 Reserved 0, RO Reserved:
Write as 0, read as “don’t care”.
4 PDF 0, RO / LH Parallel detection fault:
1 = Fault detected via the parallel detection function
0 = No fault detected
3 LP_NP_AB 0, RO Link partner next page enable:
1 = Link partner next page enabled
0 = Link partner not next page enabled
2 NP_AB 0, RO / PS PHY next page enable:
0 = PHY not next page enabled
1 Page_RX 0, RO / LH New page reception:
1 = New page received
0 = New page not received
0 LP_AN_AB 0, RO Link partner auto-negotiation enable:
1 = Auto-negotiation supported by link partner